Superstar Bluetooth Sunglasses Headset for Samsung Galaxy Note 2 S3 S4 HTC ONE M7 Sony L36H Supported handset and handsfree profile The built-in mini-USB port is used for charging the internal(Lithium) battery. Stylish appearance combined with a unique design. Available with various features, which all have the same top garde sunglasses as their basis. Small volume, it is convenient to carry. Bluetooth 4.1